/u-boot/drivers/ddr/marvell/a38x/ |
H A D | mv_ddr_common.c | 32 int round_div(unsigned int dividend, unsigned int divisor, unsigned int *quotient) argument 39 if (divisor == 0) { 43 *quotient = (dividend + divisor / 2) / divisor;
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H A D | mv_ddr_common.h | 52 int round_div(unsigned int dividend, unsigned int divisor, unsigned int *quotient);
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/u-boot/lib/ |
H A D | div64.c | 71 s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder) argument 76 quotient = div_u64_rem(-dividend, abs(divisor), (u32 *)remainder); 78 if (divisor > 0) 81 quotient = div_u64_rem(dividend, abs(divisor), (u32 *)remainder); 82 if (divisor < 0) 91 * div64_u64_rem - unsigned 64bit divide with 64bit divisor and remainder 93 * @divisor: 64bit divisor 102 u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder) argument 104 u32 high = divisor >> 3 142 div64_u64(u64 dividend, u64 divisor) argument 170 div64_s64(s64 dividend, s64 divisor) argument 188 iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder) argument [all...] |
/u-boot/arch/arm/lib/ |
H A D | lib1funcs.S | 25 .macro ARM_DIV_BODY dividend, divisor, result, curbit 29 clz \curbit, \divisor 33 mov \divisor, \divisor, lsl \result 39 @ Initially shift the divisor left 3 bits if possible, 43 tst \divisor, #0xe0000000 44 moveq \divisor, \divisor, lsl #3 48 @ Unless the divisor is very big, shift it up in multiples of 50 @ division loop. Continue shifting until the divisor i [all...] |
H A D | div64.S | 5 * Optimized computation of 64-bit dividend / 32-bit divisor 31 * __do_div64: perform a division with 64-bit dividend and 32-bit divisor. 38 * r4 = divisor (preserved) 53 bls 9f @ divisor is 0 or 1 55 beq 8f @ divisor is power of 2 62 @ Align divisor with upper part of dividend. 63 @ The aligned divisor is stored in yl preserving the original. 105 @ divisor for comparisons, considering the carry-out bit as well. 142 @ divisor at this point since divisor ca [all...] |
/u-boot/arch/arm/mach-uniphier/debug-uart/ |
H A D | debug-uart.c | 61 unsigned int divisor; local 66 divisor = uniphier_ld4_debug_uart_init(); 71 divisor = uniphier_pro4_debug_uart_init(); 76 divisor = uniphier_sld8_debug_uart_init(); 81 divisor = uniphier_pro5_debug_uart_init(); 86 divisor = uniphier_pxs2_debug_uart_init(); 91 divisor = uniphier_ld6b_debug_uart_init(); 100 writel(divisor, base + UNIPHIER_UART_LDR);
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/u-boot/include/linux/ |
H A D | math64.h | 14 * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder 19 static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) argument 21 *remainder = dividend % divisor; 22 return dividend / divisor; 26 * div_s64_rem - signed 64bit divide with 32bit divisor with remainder 28 static inline s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder) argument 30 *remainder = dividend % divisor; 31 return dividend / divisor; 35 * div64_u64_rem - unsigned 64bit divide with 64bit divisor and remainder 37 static inline u64 div64_u64_rem(u64 dividend, u64 divisor, u6 argument 46 div64_u64(u64 dividend, u64 divisor) argument 57 div64_s64(s64 dividend, s64 divisor) argument 68 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) argument 101 div_u64(u64 dividend, u32 divisor) argument 112 div_s64(s64 dividend, s32 divisor) argument 122 __iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder) argument 232 mul_u64_u32_div(u64 a, u32 mul, u32 divisor) argument [all...] |
H A D | kernel.h | 98 * Divide positive or negative dividend by positive divisor and round 100 * for negative dividends if the divisor variable type is unsigned. 102 #define DIV_ROUND_CLOSEST(x, divisor)( \ 105 typeof(divisor) __d = divisor; \ 107 ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ 113 * Same as above but for u64 dividends. divisor must be a 32-bit 116 #define DIV_ROUND_CLOSEST_ULL(x, divisor)( \ 118 typeof(divisor) __d = divisor; \ [all...] |
/u-boot/board/nuvoton/common/ |
H A D | uart.c | 27 u16 divisor; local 43 divisor = dll | (dlm << 8); 44 baudrate = uart_clk / ((16 * (divisor + 2))); 56 divisor = DIV_ROUND_CLOSEST(uart_clk, 16 * gd->baudrate) - 2; 58 writeb(divisor & 0xff, uart_reg + UART_DLL); 59 writeb(divisor >> 8, uart_reg + UART_DLM); 63 uart_clk, baudrate, uart_clk / ((16 * (divisor + 2))));
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/u-boot/drivers/i2c/ |
H A D | ast2600_i2c.c | 183 int divisor; local 204 divisor = DIV_ROUND_UP(apb_clk, speed); 207 divisor = DIV_ROUND_UP(base_clk1, speed); 210 divisor = DIV_ROUND_UP(base_clk2, speed); 213 divisor = DIV_ROUND_UP(base_clk3, speed); 216 divisor = DIV_ROUND_UP(base_clk4, speed); 218 while ((divisor + inc) > 32) { 219 inc |= divisor & 0x1; 220 divisor >>= 1; 223 divisor [all...] |
/u-boot/arch/mips/mach-octeon/ |
H A D | cvmx-helper-jtag.c | 34 int divisor; local 36 divisor = gd->bus_clk / (1000000 * (OCTEON_IS_MODEL(OCTEON_CN68XX) ? 10 : 25)); 38 divisor = (divisor - 1) >> 2; 39 /* Convert the divisor into a power of 2 shift */ 40 while (divisor) { 42 divisor >>= 1;
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/u-boot/lib/zstd/common/ |
H A D | zstd_deps.h | 60 * U64 ZSTD_div64(U64 dividend, U32 divisor) 68 static uint64_t ZSTD_div64(uint64_t dividend, uint32_t divisor) { argument 69 return div_u64(dividend, divisor);
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/u-boot/drivers/serial/ |
H A D | serial_mpc8xx.c | 42 int divisor = (gd->cpu_clk + 8 * baudrate) / 16 / baudrate; local 44 if (divisor / 16 > 0x1000) { 45 /* bad divisor, assume 50MHz clock and 9600 baud */ 46 divisor = (50 * 1000 * 1000 + 8 * 9600) / 16 / 9600; 49 divisor /= CONFIG_SYS_BRGCLK_PRESCALE; 51 if (divisor <= 0x1000) 52 out_be32(&cp->cp_brgc1, ((divisor - 1) << 1) | CPM_BRG_EN); 54 out_be32(&cp->cp_brgc1, ((divisor / 16 - 1) << 1) | CPM_BRG_EN |
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H A D | serial_pl01x.c | 112 unsigned int divisor; local 119 divisor = UART_PL010_BAUD_9600; 122 divisor = UART_PL010_BAUD_19200; 125 divisor = UART_PL010_BAUD_38400; 128 divisor = UART_PL010_BAUD_57600; 131 divisor = UART_PL010_BAUD_115200; 134 divisor = UART_PL010_BAUD_38400; 137 writel((divisor & 0xf00) >> 8, ®s->pl010_lcrm); 138 writel(divisor & 0xff, ®s->pl010_lcrl);
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H A D | altera_uart.c | 24 u32 divisor; /* Baud rate divisor reg */ member in struct:altera_uart_regs 40 writel(div, ®s->divisor); 130 writel(div, ®s->divisor);
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H A D | serial_npcm.c | 84 u16 divisor; local 90 divisor = DIV_ROUND_CLOSEST(plat->uart_clk, 16 * baudrate) - 2; 93 writeb(divisor & 0xff, &uart->dll); 94 writeb(divisor >> 8, &uart->dlm);
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H A D | atmel_usart.c | 35 unsigned long divisor; local 44 divisor = (usart_hz / 16 + baudrate / 2) / baudrate; 45 writel(USART3_BF(CD, divisor), &usart->brgr); 150 unsigned long divisor; local 152 divisor = (usart_clk_rate / 16 + baudrate / 2) / baudrate; 153 writel(USART3_BF(CD, divisor), &usart->brgr);
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H A D | serial_uniphier.c | 43 unsigned int divisor; local 45 divisor = DIV_ROUND_CLOSEST(priv->uartclk, mode_x_div * baudrate); 51 writel(divisor, priv->membase + UNIPHIER_UART_DLR);
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H A D | serial_meson.c | 69 * as clock source and the corresponding divisor to approximate baud 71 u32 divisor = meson_calc_baud_divisor(src_rate, baud); local 73 (divisor & AML_UART_REG5_BAUD_MASK); 171 u32 divisor = meson_calc_baud_divisor(rate, baud); local 172 u32 calc_baud = (rate / 3) / (divisor + 1);
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/u-boot/drivers/pwm/ |
H A D | pwm-aspeed.c | 120 u64 div_h, div_l, divisor; local 133 divisor = (u64)NSEC_PER_SEC * (PWM_ASPEED_FIXED_PERIOD + 1) * 135 div_h = order_base_2(div64_u64((u64)rate * period_ns + divisor - 1, divisor)); 139 divisor = ((u64)NSEC_PER_SEC * (PWM_ASPEED_FIXED_PERIOD + 1)) << div_h; 140 div_l = div64_u64((u64)rate * period_ns, divisor);
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/u-boot/drivers/spi/ |
H A D | npcm_pspi.c | 138 u32 divisor; local 148 divisor = DIV_ROUND_CLOSEST(apb_clock, (2 * speed)) - 1; 149 if (divisor > MAX_DIV) 150 divisor = MAX_DIV; 154 val |= divisor << PSPI_CTL1_SCDV_SHIFT; 157 debug("%s: apb_clock=%lu speed=%d divisor=%u\n", 158 __func__, apb_clock, speed, divisor);
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/u-boot/drivers/mmc/ |
H A D | tmio-common.c | 564 unsigned int divisor; local 571 divisor = DIV_ROUND_UP(mclk, mmc->clock); 574 if (mmc->ddr_mode && (divisor == 1)) 575 divisor = 2; 577 if (divisor <= 1) 580 else if (divisor <= 2) 582 else if (divisor <= 4) 584 else if (divisor <= 8) 586 else if (divisor <= 16) 588 else if (divisor < [all...] |
/u-boot/include/ |
H A D | div64.h | 41 * If the divisor happens to be constant, we determine the appropriate 198 extern u32 __div64_32(u64 *dividend, u32 divisor); 237 static inline u64 lldiv(u64 dividend, u32 divisor) argument 240 do_div(__res, divisor);
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/u-boot/drivers/video/nexell/soc/ |
H A D | s5pxx18_soc_disptop_clk.h | 40 u32 divisor);
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/u-boot/arch/mips/mach-octeon/include/mach/ |
H A D | octeon_ddr.h | 568 static inline u64 divide_nint(u64 dividend, u64 divisor) argument 572 quotent = dividend / divisor; 573 remainder = dividend % divisor; 574 return (quotent + ((remainder * 2) >= divisor)); 578 static inline u64 divide_roundup(u64 dividend, u64 divisor) argument 580 return ((dividend + divisor - 1) / divisor);
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